The soft‐bodied cephalopods including octopus, cuttlefish, and squid are broadly
considered to be the most cognitively advanced group of invertebrates. Previous research …

Sometimes we accept propositions, sometimes we reject them, and sometimes we take
propositions to be worth considering but not yet established, as merely possible. The result …

A New York Times bestseller:" A passionate and convincing case for the sophistication of
nonhuman minds."—Alison Gopnik, The Atlantic Hailed as a classic, Are We Smart Enough …

How do humans develop the capacity to reason? In five studies, we examined infants'
emerging ability to make exclusion inferences using negation, as in the disjunctive syllogism …

Conflict between humans and wildlife is an increasing problem worldwide due to human
population growth and habitat fragmentation, with growing interest amongst scientists and …

For the past two decades, behavioural ecologists have documented consistent individual
differences in behavioural traits within species and found evidence for animal “personality” …

The last several decades of research on avian cognition have revealed surprising parallels
between the abilities of birds—most notably corvids—and great apes. Parrots, albeit far less …

Elucidating the nature, use, and origin of knowledge in animals is one of the major
endeavors of comparative psychology. Two aspects of knowledge used in inferential …

Creating a future for elephants and people is a highly complex and dynamic challenge,
involving social, behavioral, and ecological dimensions as well as multiple actors with …

Animals often face situations that require making decisions based on quantity. Many
species, including humans, rely on an ability to differentiate between more and less to make …